Founded in 1972 by Norwegian-born inventor Eyvind Boyesen, Boyesen develops and manufactures performance components built around its reed-induction technology, including its patented dual-stage reed. The company’s aftermarket engine and intake products serve motorsport and other small-engine applications, and its history notes that Boyesen technology has also been incorporated into production engines through licensing agreements.
Brock's PerformanceFounded by Brock Davidson in 1983 from his basement apartment, Brock’s Performance designs and builds performance components for sport motorcycles, with its best-known work centered on race-proven exhaust systems. The company’s testing-driven approach comes from Brock’s own motorcycle racing background, and its products have been associated with land-speed records and drag-racing wins. Brock’s Performance also supplies performance upgrades and diagnostic tools for platforms such as the Suzuki Hayabusa and Kawasaki ZX-14R.BEAVERCREEK, OH
MSD IgnitionBorn from a 1970 military testing project at New Mexico’s White Sands Missile Range, MSD Ignition makes high-performance ignition and engine-control components for racers, hot rodders and enthusiasts. The company pioneered capacitive-discharge and Multiple Spark Discharge technology, and now manufactures at a more than 150,000-square-foot El Paso plant staffed by over 275 people. MSD products run everywhere from 12,000-horsepower Top Fuel dragsters to street rods, farm trucks and boats.MENTOR, OH
Arrowhead Engineered Products, IncArrowhead Engineered Products traces its roots to a Minnesota generator shop established in 1968 and has operated under the Arrowhead name since John Berger rebranded it in 1985. Based in Blaine, Minnesota, the company combines engineering with a global distribution network to supply mission-critical aftermarket replacement parts to repair shops, dealers and other small businesses. Its reach now includes more than 100,000 customers and a 250,000-square-foot headquarters.EAST GREENVILLE, PA
JET Performance ProductsJET Performance Products began 50 years ago as a Southern California engine-building and carburetor shop and now makes electronic tuning products and performance upgrades for cars and trucks. The company’s roots remain visible in its carburetor work, while its history also includes race cars that set national records in three NHRA and IHRA classes and the development of its first General Motors performance chip. Bryant Seller has owned the company since 1985.ST CLAIRSVILLE, OH